I would still be careful, and give out phony info - especially name, phone #, etc. My ex signed up for one of these. ECNReports, I think. Among other things she entered truthfully was her name, phone number, etc. She clicked off when they asked for her SSN, but some time later, mysterious charges began appearing on her phone bill for a "voicemail" service in the Caribbean. She's also on just about every junk mail marketing list in the world.
Even if this company is legit, their clients may well not be.
If you believe people should work till they die to pay for a government worker to retire at 50, you're a Democrat. Otherwise, you're a Republican. All other differences between the parties are trivial.